CN114776583B - Combined roller device for roller rotor pump and centering positioning method - Google Patents
Combined roller device for roller rotor pump and centering positioning method Download PDFInfo
- Publication number
- CN114776583B CN114776583B CN202210486472.7A CN202210486472A CN114776583B CN 114776583 B CN114776583 B CN 114776583B CN 202210486472 A CN202210486472 A CN 202210486472A CN 114776583 B CN114776583 B CN 114776583B
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- roller
- ball
- pump
- rotor
- ball seat
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001050 lubricating effect Effects 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 description 5
- -1 aluminum (zirconium) hydride Chemical compound 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C2/3445—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention belongs to the technical field of roller rotor pumps, and discloses a centering positioning method of a combined roller device for a roller rotor pump, wherein a roller is arranged in a rotor body groove of the roller rotor pump, the roller is provided with a roller column body, and the inside of the roller column body is provided with chambers which are not communicated left and right; an oil cavity is arranged in the cavity, a positioning part bulge is arranged on the roller body, and the positioning part bulge positions the rubber spring; the rubber spring is installed between the bulge of the positioning part and the ball seat, the ball seat is provided with an oil hole, and the ball seat is provided with a ball. According to the invention, the combined roller is automatically centered according to the built-in two rubber springs and the elasticity thereof, so that the roller is prevented from being not centered due to axial movement of the roller, and is eccentrically worn with one end face of the pump cover. The invention adopts the special ball with high hardness and the self-lubricating roller ball seat, and is internally provided with the lubricating medium, thereby ensuring reliable operation, small abrasion and long service life. The invention is internally provided with the oil cavity, thereby providing good lubrication condition for the balls and improving the reliability of the product.
Description
Technical Field
The invention belongs to the technical field of roller rotor pumps, and particularly relates to a combined roller device for a roller rotor pump and a centering positioning method.
Background
The roller rotor pump has the characteristics of simple and compact structure, small volume, light weight, low cost and the like, and is widely applied to industries such as food, pharmacy, fine chemical engineering, petrochemical engineering and the like. The roller rotor pump comprises a pump body, a pump cover, a rotor body, a roller and the like, wherein the roller is a core component of the roller rotor pump and a vulnerable component of the roller rotor pump. The existing roller is in rolling contact with the inner surface of the pump body, so that the roller has large abrasion and short service life, and the maintenance cost of equipment is increased; meanwhile, the roller impacts the pump body to cause damage to the pump cavity and noise generation; on the other hand, the rollers of conventional rotor pumps are not axially positioned and can become biased against the pump cover during operation. These problems greatly shorten the service life of the rollers, which in turn affects the reliability and performance of the roller rotor pump. There are a number of disadvantages to the balls employed in conventional roller rotor pumps and further improvements are needed.
Through the above analysis, the problems and defects existing in the prior art are as follows: the prior art greatly shortens the service life of the roller, thereby affecting the reliability and performance of the roller rotor pump.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a centering and positioning method of a combined roller device for a roller rotor pump.
The invention is realized in such a way that the combined roller device for the roller rotor pump is arranged in a rotor body groove of the roller rotor pump, the combined roller device for the roller rotor pump is provided with a roller body, and the inside of the roller body is provided with a chamber which is not communicated with each other left and right;
an oil cavity is arranged in the cavity, a positioning part bulge is arranged on the roller body, and the positioning part bulge positions the rubber spring;
the rubber spring is installed between the bulge of the positioning part and the ball seat, the ball seat is provided with an oil hole, and the ball seat is provided with a ball.
Further, the roller body is a cylinder.
Further, the cavity is a hollow cavity which is not communicated left and right.
Further, the roller body is contacted with the inner circular surface of the pump body, the rotating shaft is arranged at the middle position of the pump body, the rotor body is arranged between the rotating shaft and the rotor body groove, and the end face of the roller body is in non-contact with the inner circular surfaces of the first pump cover and the second pump cover.
Further, the balls are attached to the ball seats and mounted in the ball grooves in the first pump cover or the second pump cover. The ball is a special ball made of high-hardness materials such as aluminum (zirconium) hydride, silicon (tungsten) nitride and the like.
Further, the rollers are in contact with the inner circular surface of the ball groove on the first pump cap or the second pump cap through balls on the ball seats.
Another object of the present invention is to provide a centering and positioning method of a combined roller device for a roller rotor pump, comprising:
the roller rolls in the rotor body groove of the roller rotor pump, and the lubricating medium in the oil cavity reaches the ball seat and the ball groove from the oil hole to realize self-lubrication;
the balls are limited to move in the ball grooves to prevent the rollers from striking the pump body or the rotor body grooves; if the balls in the ball grooves are worn in the rolling process, the rubber springs in the compressed state can be automatically stretched, the ball seats are pushed to move towards the ball grooves by the elastic force of the rubber springs, so that the balls are always clung to the ball grooves, the automatic compensation of the wear amount of the balls is realized, the rollers are automatically centered, the axial positioning of the rollers is ensured, and the axial movement of the rollers is prevented.
In combination with the above technical solution and the technical problems to be solved, please analyze the following aspects to provide the following advantages and positive effects:
first, aiming at the technical problems in the prior art and the difficulty in solving the problems, the technical problems solved by the technical proposal of the invention are analyzed in detail and deeply by tightly combining the technical proposal to be protected, the results and data in the research and development process, and the like, and some technical effects brought after the problems are solved have creative technical effects. The specific description is as follows:
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the invention realizes the automatic centering of the roller for the roller rotor pump through a special structure. The invention adopts the rubber spring and the ball seat to automatically compensate the abrasion of the ball, ensure the automatic centering of the roller and prevent the axial movement of the roller and the eccentric abrasion of the pump cover. The invention adopts the special ball with high hardness and the self-lubricating roller ball seat, and the oil cavity and the lubricating medium are arranged in the roller body, so that good lubricating condition of the ball is provided, the self-lubrication of the ball is realized, the abrasion of the ball is greatly reduced, and the service life of the roller is prolonged. The invention utilizes the roller and the ball groove to avoid the roller from being separated from the inner surface of the pump body when the roller rotor pump is started and stopped, and simultaneously prevents the roller from striking the groove of the rotor body or the inner surface of the pump body, thereby reducing noise and vibration in the running process of the roller rotor pump. The invention has simple structure and high reliability, and the service life of the roller and the performance of the equipment are obviously improved.
Secondly, the technical scheme is regarded as a whole or from the perspective of products, and the technical scheme to be protected has the following technical effects and advantages:
the invention relates to a combined roller capable of automatically centering and preventing axial movement, which better meets the running requirement of a roller rotor pump and has great significance in prolonging the service life of the roller and ensuring the reliable running of the roller pump.
Drawings
FIG. 1 is a schematic view of a combined roller device for a roller rotor pump according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a roller rotor pump according to an embodiment of the present invention;
FIG. 3 is a schematic view of a rotor body groove and rotor body structure provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a rotor body groove and pump body structure provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a roller and pump body structure provided by an embodiment of the present invention;
in the figure: 1. a roller; 101. the positioning part is convex; 102. a roller body; 103. an oil hole; 104. a ball; 105. a rubber spring; 106. a chamber; 107. an oil chamber; 108. a ball seat; 2. a roller rotor pump; 201. a first pump cover; 202. a rotor body groove; 203. a pump body; 204. a second pump cover; 205. a rotating shaft; 206. a rotor body; 207. ball grooves.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
1. The embodiments are explained. In order to fully understand how the invention may be embodied by those skilled in the art, this section is an illustrative embodiment in which the claims are presented for purposes of illustration.
The embodiment of the invention provides a centering positioning method of a combined roller device for a roller rotor pump, which comprises the following steps:
the roller rolls in the rotor body groove of the roller rotor pump, and the lubricating medium in the oil cavity 107 reaches the ball seat 108 and the ball groove 207 from the oil hole 103 to realize self-lubrication;
the balls 104 are constrained to move within the ball grooves 207, preventing the roller 1 from striking the pump body 203 or the rotor body groove 202; if the balls 104 in the ball grooves 207 are worn during rolling, the elastic force of the rubber springs enables the balls to move towards the ball grooves 207, so that the wear of the balls 104 is automatically compensated, the rollers 1 are automatically centered, and the axial positioning of the rollers 1 is ensured.
As shown in fig. 1 to 5, the combined roller device for a roller rotor pump provided by the embodiment of the invention is provided with a roller 1, and the roller 1 is installed in a rotor body groove 202 of a roller rotor pump 2 and can freely move in the rotor body groove 202. The roller 1 is provided with a roller body 102, the roller body 102 is a cylinder, a cavity 106 which is not communicated with each other is arranged in the roller body, and the cavity 106 is a hollow cavity.
An oil chamber 107 is provided in the chamber 106 for storing a lubricating medium such as grease or lubricating oil. The roller body 102 is provided with a positioning part bulge 101, the positioning part bulge 101 positions a rubber spring 105, the rubber spring 105 is tightly attached to two sides of the positioning part bulge 101, the ball seat 108 is arranged in a cavity 106 of the roller 1, and the ball seat 108 is tightly attached to the outer side of the rubber spring 101, so that the rubber spring has a certain compression amount. The ball seat 108 is provided with an oil hole 103 for the circulation of lubricating medium; the ball seat 108 is provided with a ball 104, and the ball 104 is a special ball such as aluminum (zirconium) hydride or silicon (tungsten) nitride.
The roller body 102 is contacted with the inner circular surface of the pump body 203, the inside of the pump body 203 is provided with a rotor body 206 which is eccentrically arranged, the rotor body 206 is provided with a rotor body groove 202, and the rotating shaft 205 is arranged in a shaft hole on the rotor body 206; the rotor body and the pump cover are eccentrically arranged; the roller 1 is driven by the shaft 205 to roll along the inner track surface of the pump body 203 in the rotor body groove 202. The balls 104 are fitted into the ball grooves 207 in the first pump cover 201 or the second pump cover 204 while being abutted against the ball seats 108. The roller 1 is in contact with the inner circular surface of the ball groove 207 of the first pump cap 201 or the second pump cap 204 through the balls 104 on the ball seat 108, and performs rolling motion in the ball groove 207.
The end surface of the roller body 102 has a clearance with the inner circular surfaces of the first pump cover 201 and the second pump cover 204, so that the end surface of the roller body 102 is always ensured not to be in direct contact with the first pump cover 201 and the second pump cover 204, and the abrasion between the roller body 102 and the first pump cover 201 and the second pump cover 204 is eliminated.
The roller 1 can be self-lubricated by the lubricating medium in the oil chamber 105, thereby reducing friction and wear of the balls 104, ensuring reliable operation of the roller 1. If the balls 104 are worn in the rolling process in the ball grooves 207, the wear amount of the balls can be automatically compensated through the expansion and contraction amount of the rubber springs 105, so that the rollers 1 are automatically centered, the axial positioning of the rollers 1 is ensured, the rollers 1 are prevented from being not centered due to axial movement of the rollers 1, and the rollers are eccentrically worn with one ends of the first pump cover 201 and the second pump cover 204, so that the purposes of reducing the wear of the rollers 1 and prolonging the service life of the rollers 1 are realized.
The radius of the ball 104 is the same as that of the ball groove 207, and the ball 104 moves in the ball groove 207 by limiting the ball groove 207, so that the roller 1 is effectively prevented from being separated from the inner surface of the pump body 203 at the position B or separating from the rotor body groove 202 at the position C due to the dead weight of the roller 1, the roller 1 is prevented from striking the inner surface of the pump body 203 or the rotor body groove 202, vibration and noise generated by striking the rotor body groove or the inner surface of the pump body are greatly reduced, and the equipment reliability is improved. The service life of the roller is prolonged and the reliability of the roller is improved through the structure.
In the embodiment of the present invention, the positioning portion protrusion 101: providing positioning for the rubber spring 105 and the ball seat 108.
The ball 104 is worn in the rolling process, the rubber spring 105 in a compressed state can be automatically stretched, and the ball seat 108 is pushed to move towards the ball groove 207 by the elastic force of the rubber spring 105, so that the ball 104 is always clung to the ball groove 207, the automatic centering of the roller is realized, and the eccentric and axial movement of the roller are prevented.
The oil cavity 107 in the cavity 106 is communicated with the oil hole 103, and in the rolling process of the roller, a lubricating medium can enter the roller ball seat and the ball groove 207 through the oil hole 103, so that the self-lubrication of the ball is realized.
The working principle of the invention is as follows: during the running process of the roller rotor pump 2, the roller 1 rolls in the rotor body groove 202 of the roller rotor pump 2, and the lubricating medium in the oil cavity 107 reaches the ball seat 108 and the ball groove 207 from the oil hole 103 to realize self-lubricating action, so that friction and abrasion of the balls 104 are effectively reduced. The balls 104 are constrained to move within the ball grooves 207, effectively preventing the rollers 1 from striking the pump body 203 or the rotor body recess 202. If the balls 104 in the ball grooves 207 are worn in the rolling process, the rubber springs 105 in a compressed state can automatically stretch, and the ball seats 108 are pushed to move towards the ball grooves 207 by the elastic force of the rubber springs 105, so that the balls 104 are always clung to the ball grooves 207, the purpose of automatically compensating the wear amount of the balls 104 is achieved, the rollers 1 are automatically centered, the axial positioning of the rollers 1 is ensured, the rollers are prevented from deviating from the axial center of a pump body, and the normal operation of equipment is influenced.
2. Evidence of the effect of the examples. The embodiment of the invention has a great advantage in the research and development or use process, and has the following description in combination with data, charts and the like of the test process.
The invention realizes the automatic centering and axial positioning of the roller for the roller rotor pump through a special structure. Compared with the prior art, the roller abrasion can be obviously reduced, and the service life of the roller and the reliability of equipment are improved.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention will be apparent to those skilled in the art within the scope of the present invention.
Claims (5)
1. A roller rotor pump combination roller device, characterized in that the roller rotor pump combination roller device is provided with:
a roller;
the roller is arranged in a rotor body groove of the roller rotor pump, the roller is provided with a roller body, and the inside of the roller body is provided with chambers which are not communicated left and right;
an oil cavity is arranged in the cavity, a positioning part bulge is arranged on the roller body, and the positioning part bulge positions the rubber spring;
the rubber spring is arranged between the bulge of the positioning part and the ball seat, the ball seat is provided with an oil hole, and the ball seat is provided with a ball;
the ball is tightly attached to the ball seat and is arranged in the ball groove on the first pump cover or the second pump cover;
the roller contacts with the inner circular surface of the ball groove on the first pump cover or the second pump cover through the ball on the ball seat, and rolls in the ball groove.
2. The combination roller assembly for a roller rotor pump as recited in claim 1, wherein said roller body is cylindrical.
3. The combined roller device for the roller rotor pump according to claim 1, wherein the roller body is in contact with the inner circular surface of the pump body, the inside of the pump body is provided with an eccentrically mounted rotor body, the rotor body is provided with a rotor body groove, and the rotating shaft is arranged in a shaft hole on the rotor body; the end face of the roller body is provided with a gap with the inner circular surfaces of the first pump cover and the second pump cover, so that the end face of the roller body is ensured to be in non-contact with the inner circular surfaces of the first pump cover and the second pump cover.
4. The combination roller assembly for a roller rotor pump as recited in claim 1, wherein said balls are made of aluminum hydride or silicon nitride material.
5. A centering method of a combined roller device for a roller rotor pump as claimed in any one of claims 1 to 4, characterized in that the centering method comprises:
the roller rolls in the rotor body groove of the roller rotor pump, and the lubricating medium in the oil cavity reaches the ball seat and the ball groove from the oil hole to realize self-lubrication;
the balls are limited to move in the ball grooves to prevent the rollers from striking the pump body or the rotor body grooves; if the balls in the ball grooves are worn in the rolling process, the rubber springs in the compressed state can be automatically stretched, the ball seats are pushed to move towards the ball grooves by the elastic force of the rubber springs, the balls are always clung to the ball grooves, the automatic compensation of the wear amount of the balls is realized, the rollers are automatically centered, and the axial positioning of the rollers is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210486472.7A CN114776583B (en) | 2022-05-06 | 2022-05-06 | Combined roller device for roller rotor pump and centering positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210486472.7A CN114776583B (en) | 2022-05-06 | 2022-05-06 | Combined roller device for roller rotor pump and centering positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776583A CN114776583A (en) | 2022-07-22 |
| CN114776583B true CN114776583B (en) | 2024-01-30 |
Family
ID=82434903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210486472.7A Active CN114776583B (en) | 2022-05-06 | 2022-05-06 | Combined roller device for roller rotor pump and centering positioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776583B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776584B (en) * | 2022-05-06 | 2023-12-29 | 嵊州市浙江工业大学创新研究院 | Rotor pump with controllable roller track |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981000133A1 (en) * | 1979-06-29 | 1981-01-22 | Myhrwold & Rasmussen As | Positive pressure pump or motor |
| US5199727A (en) * | 1992-03-03 | 1993-04-06 | Lai Kuo J | Steerable wheel assembly for a roller skate |
| CN1243201A (en) * | 1998-07-29 | 2000-02-02 | 刘发贤 | Wear automatic-compensation rotor pump |
| CN2380722Y (en) * | 1999-07-13 | 2000-05-31 | 聂如国 | Rotor of roller-rotor pump |
| CN1452695A (en) * | 2000-09-04 | 2003-10-29 | 本田技研工业株式会社 | Rotary fluid machinery |
| CN108119360A (en) * | 2018-02-01 | 2018-06-05 | 王海容 | Roller rotary pump and its control method during for petroleum vapor recovery |
| CN111075713A (en) * | 2020-01-07 | 2020-04-28 | 上海盈智汽车零部件有限公司 | Diesel roller pump for passenger car |
| CN215090204U (en) * | 2021-06-11 | 2021-12-10 | 南京比泰数控机械设备有限公司 | Indentation-free bending lower die |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200191144A1 (en) * | 2018-12-17 | 2020-06-18 | Charles H. Tuckey | Radial vane pump or motor with rolling chamber |
-
2022
- 2022-05-06 CN CN202210486472.7A patent/CN114776583B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981000133A1 (en) * | 1979-06-29 | 1981-01-22 | Myhrwold & Rasmussen As | Positive pressure pump or motor |
| US5199727A (en) * | 1992-03-03 | 1993-04-06 | Lai Kuo J | Steerable wheel assembly for a roller skate |
| CN1243201A (en) * | 1998-07-29 | 2000-02-02 | 刘发贤 | Wear automatic-compensation rotor pump |
| CN2380722Y (en) * | 1999-07-13 | 2000-05-31 | 聂如国 | Rotor of roller-rotor pump |
| CN1452695A (en) * | 2000-09-04 | 2003-10-29 | 本田技研工业株式会社 | Rotary fluid machinery |
| CN108119360A (en) * | 2018-02-01 | 2018-06-05 | 王海容 | Roller rotary pump and its control method during for petroleum vapor recovery |
| CN111075713A (en) * | 2020-01-07 | 2020-04-28 | 上海盈智汽车零部件有限公司 | Diesel roller pump for passenger car |
| CN215090204U (en) * | 2021-06-11 | 2021-12-10 | 南京比泰数控机械设备有限公司 | Indentation-free bending lower die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776583A (en) | 2022-07-22 |
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